Astrophysicists explore links between atmospheric oxygen and detecting extraterrestrial technology on distant planets

Astrophysicists explore links between atmospheric oxygen and detecting extraterrestrial technology on distant planets

Air Supply: Coined by astrophysics Adam Frank and Amedeo Balbi, the “oxygen bottleneck” describes the critical threshold that separates worlds capable of fostering technological civilizations from those that fall short. “Without a ready source of fire, you’re never going to develop higher technology,” says Frank . Credit: University of Rochester illustration / Michael Osadciw In … Read more

Why EPA Doesn’t Use Brand New Electric Vehicles For Range Tests

Why EPA Doesn’t Use Brand New Electric Vehicles For Range Tests

Photo: John Keeble (Getty Images) The Environmental Protection Agency has been the non-partisan adjudicator of vehicle emissions and fuel mileage in the United States for over 50 years. With the rise in electric vehicle sales, range has become a crucial selling point for customers. The EPA goes to extraordinary lengths to ensure that its figures … Read more

Targeted household cleaning can reduce toxic chemicals post-wildfire, research shows

Targeted household cleaning can reduce toxic chemicals post-wildfire, research shows

Credit: Environmental Science & Technology (2023). DOI: 10.1021/acs.est.3c05547 After the last embers of a campfire dim, the musky smell of smoke remains. Whiffs of that distinct smokey smell may serve as a pleasant reminder of the evening prior, but in the wake of a wildfire, that smell comes with ongoing health risks. Wildfire smoke is … Read more

Shares of Apple suppliers fall after Barclays downgrades iPhone maker

Shares of Apple suppliers fall after Barclays downgrades iPhone maker

CUPERTINO, CALIFORNIA – SEPTEMBER 12: The new iPhone 15 Pro is displayed during an Apple event at the Steve Jobs Theater at Apple Park on September 12, 2023 in Cupertino, California. Apple revealed its lineup of the latest iPhone 15 versions as well as other product upgrades during the event. (Photo by Justin Sullivan/Getty Images) … Read more

How tomato plants use their roots to ration water during drought

How tomato plants use their roots to ration water during drought

Suberin is deposited in the tomato exodermis and is regulated by ABA. Credit: Nature Plants (2024). DOI: 10.1038/s41477-023-01567-x Plants have to be flexible to survive environmental changes, and the adaptive methods they deploy must often be as changeable as the shifts in climate and condition to which they adapt. To cope with drought, plant roots … Read more

Big Short’s Steve Eisman worries investors are too bullish in 2024

Big Short’s Steve Eisman worries investors are too bullish in 2024

Investor Steve Eisman of “The Big Short” fame is questioning the level of bullishness on Wall Street — even with the market’s tepid start to the year. From enthusiasm surrounding the “Magnificent Seven” technology stocks to expectations for multiple interest rate cuts this year, Eisman believes there’s little tolerance for things going wrong. “Long term, … Read more

California singing fish’s midbrain may serve as a model for how mammals control vocal expressions

California singing fish’s midbrain may serve as a model for how mammals control vocal expressions

Vocal diversity in fishes and tetrapods. Credit: Nature Communications (2024). DOI: 10.1038/s41467-023-43794-y For talkative midshipman fish—sometimes called the “California singing fish”—the midbrain plays a robust role in initiating and patterning trains of sounds used in vocal communication. The midbrain in these fish, it turns out, may serve as a useful model for how mammals and … Read more

Company that created ChatGPT, Open AI, in turmoil after Microsoft hires its ousted CEO Sam Altman

Company that created ChatGPT, Open AI, in turmoil after Microsoft hires its ousted CEO Sam Altman

Sam Altman — the leader of one of the world’s most influential AI companies that created ChatGPT, OpenAI — was fired on Friday night by the startup’s board in a surprise move. Within about 48 hours, he was hired to run a new division at Microsoft where he’ll be arguably even more powerful, with the … Read more

New research shows ‘juvenile’ T. rex fossils are a distinct species of small tyrannosaur

New research shows ‘juvenile’ T. rex fossils are a distinct species of small tyrannosaur

Credit: Unsplash/CC0 Public Domain A new analysis of fossils believed to be juveniles of T. rex now shows they were adults of a small tyrannosaur, with narrower jaws, longer legs, and bigger arms than T. rex. The species, Nanotyrannus lancensis, was first named decades ago but later reinterpreted as a young T. rex. The first … Read more

A disappointing start to the year

A disappointing start to the year

Traders work on the floor of the New York Stock Exchange (NYSE) on the first trading day of 2024 on January 02, 2024 in New York City.  Spencer Platt | Getty Images This report is from today’s CNBC Daily Open, our new, international markets newsletter. CNBC Daily Open brings investors up to speed on everything … Read more